Line data    Source code

       1             : // Copyright (C) 2016 The Android Open Source Project
       2             : //
       3             : // Licensed under the Apache License, Version 2.0 (the "License");
       4             : // you may not use this file except in compliance with the License.
       5             : // You may obtain a copy of the License at
       6             : //
       7             : // http://www.apache.org/licenses/LICENSE-2.0
       8             : //
       9             : // Unless required by applicable law or agreed to in writing, software
      10             : // distributed under the License is distributed on an "AS IS" BASIS,
      11             : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             : // See the License for the specific language governing permissions and
      13             : // limitations under the License.
      14             : 
      15             : package com.google.gerrit.server.restapi.config;
      16             : 
      17             : import static com.google.gerrit.server.config.ConfigUtil.skipField;
      18             : 
      19             : import com.google.common.flogger.FluentLogger;
      20             : import com.google.gerrit.common.data.GlobalCapability;
      21             : import com.google.gerrit.extensions.annotations.RequiresCapability;
      22             : import com.google.gerrit.extensions.client.DiffPreferencesInfo;
      23             : import com.google.gerrit.extensions.restapi.BadRequestException;
      24             : import com.google.gerrit.extensions.restapi.Response;
      25             : import com.google.gerrit.extensions.restapi.RestModifyView;
      26             : import com.google.gerrit.server.account.StoredPreferences;
      27             : import com.google.gerrit.server.config.AllUsersName;
      28             : import com.google.gerrit.server.config.ConfigResource;
      29             : import com.google.gerrit.server.git.meta.MetaDataUpdate;
      30             : import com.google.inject.Inject;
      31             : import com.google.inject.Provider;
      32             : import com.google.inject.Singleton;
      33             : import java.io.IOException;
      34             : import java.lang.reflect.Field;
      35             : import org.eclipse.jgit.errors.ConfigInvalidException;
      36             : 
      37             : @RequiresCapability(GlobalCapability.ADMINISTRATE_SERVER)
      38             : @Singleton
      39             : public class SetDiffPreferences implements RestModifyView<ConfigResource, DiffPreferencesInfo> {
      40         149 :   private static final FluentLogger logger = FluentLogger.forEnclosingClass();
      41             : 
      42             :   private final Provider<MetaDataUpdate.User> metaDataUpdateFactory;
      43             :   private final AllUsersName allUsersName;
      44             : 
      45             :   @Inject
      46             :   SetDiffPreferences(
      47         149 :       Provider<MetaDataUpdate.User> metaDataUpdateFactory, AllUsersName allUsersName) {
      48         149 :     this.metaDataUpdateFactory = metaDataUpdateFactory;
      49         149 :     this.allUsersName = allUsersName;
      50         149 :   }
      51             : 
      52             :   @Override
      53             :   public Response<DiffPreferencesInfo> apply(
      54             :       ConfigResource configResource, DiffPreferencesInfo input)
      55             :       throws BadRequestException, IOException, ConfigInvalidException {
      56           3 :     if (input == null) {
      57           0 :       throw new BadRequestException("input must be provided");
      58             :     }
      59           3 :     if (!hasSetFields(input)) {
      60           1 :       throw new BadRequestException("unsupported option");
      61             :     }
      62             : 
      63           2 :     try (MetaDataUpdate md = metaDataUpdateFactory.get().create(allUsersName)) {
      64           2 :       DiffPreferencesInfo updatedPrefs = StoredPreferences.updateDefaultDiffPreferences(md, input);
      65           2 :       return Response.ok(updatedPrefs);
      66             :     }
      67             :   }
      68             : 
      69             :   private static boolean hasSetFields(DiffPreferencesInfo in) {
      70             :     try {
      71           3 :       for (Field field : in.getClass().getDeclaredFields()) {
      72           3 :         if (skipField(field)) {
      73           3 :           continue;
      74             :         }
      75           3 :         if (field.get(in) != null) {
      76           2 :           return true;
      77             :         }
      78             :       }
      79           0 :     } catch (IllegalAccessException e) {
      80           0 :       logger.atWarning().withCause(e).log("Unable to verify input");
      81           1 :     }
      82           1 :     return false;
      83             :   }
      84             : }